209972710

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{203857}}^1$

素因数の和:203967

約数の個数: 16

約数和(自身を含む): 381622176

約数和(自身を除く): 171649466

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 203857, 407714, 1019285, 2038570, 20997271, 41994542, 104986355, 209972710]

約数ペア:

[(1, 209972710), (2, 104986355), (5, 41994542), (10, 20997271), (103, 2038570), (206, 1019285), (515, 407714), (1030, 203857)]